#EFFD7F#EFFD7F

#EFFD7F is a very light, vivid yellow. Relative luminance 0.901; OKLCH L 95.8% C 0.151 H 114.5°. Best body text is #000000 at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD7F
RGB	rgb(239, 253, 127)
HSL	hsl(67, 97%, 75%)
HSV	hsv(67, 50%, 99%)
CMYK	cmyk(5.5%, 0%, 49.8%, 0.8%)
CIE-LAB	lab(96.05, -21.87, 58.12)
CIE-LCH	lch(96.05, 62.09, 110.62°)
OKLab	oklab(95.84% -0.0627 0.1374)
OKLCH	oklch(95.84% 0.151 114.5)
XYZ	xyz(74.5538, 90.1347, 33.5448)
Luminance	0.9013 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD7F #8D7FFD

analogous

#FDCC7F #EFFD7F #B0FD7F

triadic

#EFFD7F #7FEFFD #FD7FEF

tetradic

#EFFD7F #7FFDCC #8D7FFD #FD7FB0

square

#EFFD7F #7FFDCC #8D7FFD #FD7FB0

split-complementary

#EFFD7F #7FB0FD #CC7FFD

monochromatic

#E0FB06 #E7FC43 #EFFD7F #F7FEBB #FBFFE1

Accessibility & contrast

On white

1.10

#EFFD7F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.03

#EFFD7F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD7F

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD7F	#FFFFFF	#000000	##000000
##EFFD7F	1.00	1.10	19.03	19.03
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.03	21.00	1.00	1.00
##000000	19.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF373

Deuteranopia (green-blind)

#FFF586

Tritanopia (blue-blind)

#FCF1E0

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effd7f;
/* rgb */ color: rgb(239, 253, 127);
/* oklch */ color: oklch(95.8% 0.151 114.5);

Tailwind

colors: {
  custom: {
    50: '#f6fea7',
    500: '#effd7f',
    950: '#000000',
  },
}

SCSS

$custom: #effd7f;
$custom-light: #f6fea7;
$custom-dark: #000000;

JSON

{
  "hex": "#effd7f",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 127
  },
  "hsl": {
    "h": 66.667,
    "s": 96.923,
    "l": 74.51
  },
  "oklch": {
    "l": 0.95837,
    "c": 0.15099,
    "h": 114.5
  },
  "luminance": 0.90134
}

Semantic roles & 50–950 ramp

primary

#EFFD7F

secondary

#5645DB

accent

#00E61A

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFD7F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →